Method for switching rate and bandwidth scalable audio decoding rate

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United States of America Patent

PATENT NO 8630864
APP PUB NO 20090306992A1
SERIAL NO

11989313

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Abstract

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A method of bitrate switching on decoding an audio signal coded by a audio coding system, said decoding comprising a post-processing step depending on the bitrate. On switching from an initial bitrate to a final bitrate, said method includes a transition step of continuous change from a signal at the initial bitrate to a signal at the final bitrate, one or both of said signals being post-processed. Application to transmission of VoIP speech and/or audio signals in data packet networks.

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Patent Owner(s)

  • FRANCE TELECOM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kovesi, Balazs Lannion, FR 38 725
Ragot, Stéphane Perros Guirec, FR 29 345
Virette, David Pleumeur-Bodou, FR 49 907

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